[llvm] [dsymutil] Remove support for obfuscated bitcode (PR #85713)
via llvm-commits
llvm-commits at lists.llvm.org
Mon Mar 18 15:43:57 PDT 2024
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-debuginfo
Author: Jonas Devlieghere (JDevlieghere)
<details>
<summary>Changes</summary>
Remove support for obfuscated bitcode in dsymutil and the DWARF linker. We no longer support bitcode submissions and the obfuscation support has been removed from the rest of the compiler.
rdar://123863918
---
Patch is 40.29 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/85713.diff
30 Files Affected:
- (modified) llvm/docs/CommandGuide/dsymutil.rst (-4)
- (modified) llvm/include/llvm/CodeGen/NonRelocatableStringpool.h (+1-5)
- (modified) llvm/include/llvm/DWARFLinker/Classic/DWARFStreamer.h (+2-6)
- (modified) llvm/include/llvm/DWARFLinker/DWARFLinkerBase.h (-1)
- (modified) llvm/include/llvm/DWARFLinker/Parallel/DWARFLinker.h (+1-2)
- (modified) llvm/lib/CodeGen/NonRelocatableStringpool.cpp (-5)
- (modified) llvm/lib/DWARFLinker/Classic/DWARFLinker.cpp (+2-2)
- (modified) llvm/lib/DWARFLinker/Classic/DWARFStreamer.cpp (+5-7)
- (modified) llvm/lib/DWARFLinker/Parallel/DWARFLinker.cpp (+2-4)
- (modified) llvm/lib/DWARFLinker/Parallel/DWARFLinkerGlobalData.h (-15)
- (modified) llvm/lib/DWARFLinker/Parallel/DWARFLinkerImpl.cpp (+1-3)
- (modified) llvm/lib/DWARFLinker/Parallel/DWARFLinkerImpl.h (+1-2)
- (modified) llvm/lib/DWARFLinker/Parallel/OutputSections.h (+1-1)
- (modified) llvm/lib/DWARFLinker/Parallel/StringEntryToDwarfStringPoolEntryMap.h (+1-1)
- (removed) llvm/test/tools/dsymutil/ARM/obfuscated.test (-200)
- (removed) llvm/test/tools/dsymutil/Inputs/obfuscated.2.arm64 ()
- (removed) llvm/test/tools/dsymutil/Inputs/obfuscated.2.map (-22)
- (removed) llvm/test/tools/dsymutil/Inputs/obfuscated.arm64 ()
- (removed) llvm/test/tools/dsymutil/Inputs/obfuscated.map (-17)
- (modified) llvm/test/tools/dsymutil/cmdline.test (-1)
- (modified) llvm/tools/dsymutil/CMakeLists.txt (-1)
- (modified) llvm/tools/dsymutil/DwarfLinkerForBinary.cpp (+4-10)
- (modified) llvm/tools/dsymutil/LinkUtils.h (-5)
- (modified) llvm/tools/dsymutil/MachOUtils.cpp (+2-5)
- (modified) llvm/tools/dsymutil/MachOUtils.h (+1-3)
- (modified) llvm/tools/dsymutil/Options.td (-6)
- (removed) llvm/tools/dsymutil/SymbolMap.cpp (-157)
- (removed) llvm/tools/dsymutil/SymbolMap.h (-53)
- (modified) llvm/tools/dsymutil/dsymutil.cpp (+1-14)
- (modified) llvm/tools/llvm-dwarfutil/DebugInfoLinker.cpp (+3-3)
``````````diff
diff --git a/llvm/docs/CommandGuide/dsymutil.rst b/llvm/docs/CommandGuide/dsymutil.rst
index af9d7f16b36196..e3f2f33224b015 100644
--- a/llvm/docs/CommandGuide/dsymutil.rst
+++ b/llvm/docs/CommandGuide/dsymutil.rst
@@ -140,10 +140,6 @@ OPTIONS
(in bytes) to the linked dSYM. The table is sorted by the output size listing
the object files with the largest contribution first.
-.. option:: --symbol-map <bcsymbolmap>
-
- Update the existing dSYMs inplace using symbol map specified.
-
.. option:: -s, --symtab
Dumps the symbol table found in *executable* or object file(s) and exits.
diff --git a/llvm/include/llvm/CodeGen/NonRelocatableStringpool.h b/llvm/include/llvm/CodeGen/NonRelocatableStringpool.h
index 3dc0731f5a04ee..4b8eed7bdb1b53 100644
--- a/llvm/include/llvm/CodeGen/NonRelocatableStringpool.h
+++ b/llvm/include/llvm/CodeGen/NonRelocatableStringpool.h
@@ -27,10 +27,7 @@ class NonRelocatableStringpool {
/// order.
using MapTy = StringMap<DwarfStringPoolEntry, BumpPtrAllocator>;
- NonRelocatableStringpool(
- std::function<StringRef(StringRef Input)> Translator = nullptr,
- bool PutEmptyString = false)
- : Translator(Translator) {
+ NonRelocatableStringpool(bool PutEmptyString = false) {
if (PutEmptyString)
getEntry("");
}
@@ -59,7 +56,6 @@ class NonRelocatableStringpool {
MapTy Strings;
uint64_t CurrentEndOffset = 0;
unsigned NumEntries = 0;
- std::function<StringRef(StringRef Input)> Translator;
};
/// Helper for making strong types.
diff --git a/llvm/include/llvm/DWARFLinker/Classic/DWARFStreamer.h b/llvm/include/llvm/DWARFLinker/Classic/DWARFStreamer.h
index bebdfd5e60257e..e7a1a3cd838c22 100644
--- a/llvm/include/llvm/DWARFLinker/Classic/DWARFStreamer.h
+++ b/llvm/include/llvm/DWARFLinker/Classic/DWARFStreamer.h
@@ -45,16 +45,13 @@ class DwarfStreamer : public DwarfEmitter {
public:
DwarfStreamer(DWARFLinkerBase::OutputFileType OutFileType,
raw_pwrite_stream &OutFile,
- DWARFLinkerBase::TranslatorFuncTy Translator,
DWARFLinkerBase::MessageHandlerTy Warning)
- : OutFile(OutFile), OutFileType(OutFileType), Translator(Translator),
- WarningHandler(Warning) {}
+ : OutFile(OutFile), OutFileType(OutFileType), WarningHandler(Warning) {}
virtual ~DwarfStreamer() = default;
static Expected<std::unique_ptr<DwarfStreamer>> createStreamer(
const Triple &TheTriple, DWARFLinkerBase::OutputFileType FileType,
- raw_pwrite_stream &OutFile, DWARFLinkerBase::TranslatorFuncTy Translator,
- DWARFLinkerBase::MessageHandlerTy Warning);
+ raw_pwrite_stream &OutFile, DWARFLinkerBase::MessageHandlerTy Warning);
Error init(Triple TheTriple, StringRef Swift5ReflectionSegmentName);
@@ -295,7 +292,6 @@ class DwarfStreamer : public DwarfEmitter {
/// The output file we stream the linked Dwarf to.
raw_pwrite_stream &OutFile;
DWARFLinker::OutputFileType OutFileType = DWARFLinker::OutputFileType::Object;
- std::function<StringRef(StringRef Input)> Translator;
uint64_t RangesSectionSize = 0;
uint64_t RngListsSectionSize = 0;
diff --git a/llvm/include/llvm/DWARFLinker/DWARFLinkerBase.h b/llvm/include/llvm/DWARFLinker/DWARFLinkerBase.h
index 5c811b668f0a31..70b25cf02df7f8 100644
--- a/llvm/include/llvm/DWARFLinker/DWARFLinkerBase.h
+++ b/llvm/include/llvm/DWARFLinker/DWARFLinkerBase.h
@@ -82,7 +82,6 @@ class DWARFLinkerBase {
std::function<void(const DWARFFile &File, llvm::StringRef Output)>;
using ObjectPrefixMapTy = std::map<std::string, std::string>;
using CompileUnitHandlerTy = function_ref<void(const DWARFUnit &Unit)>;
- using TranslatorFuncTy = std::function<StringRef(StringRef)>;
using SwiftInterfacesMapTy = std::map<std::string, std::string>;
/// Type of output file.
enum class OutputFileType : uint8_t {
diff --git a/llvm/include/llvm/DWARFLinker/Parallel/DWARFLinker.h b/llvm/include/llvm/DWARFLinker/Parallel/DWARFLinker.h
index 5312712a4a5b81..8acc046d072493 100644
--- a/llvm/include/llvm/DWARFLinker/Parallel/DWARFLinker.h
+++ b/llvm/include/llvm/DWARFLinker/Parallel/DWARFLinker.h
@@ -123,8 +123,7 @@ class DWARFLinker : public DWARFLinkerBase {
/// Creates dwarf linker instance.
static std::unique_ptr<DWARFLinker>
- createLinker(MessageHandlerTy ErrorHandler, MessageHandlerTy WarningHandler,
- TranslatorFuncTy StringsTranslator = nullptr);
+ createLinker(MessageHandlerTy ErrorHandler, MessageHandlerTy WarningHandler);
/// Set output DWARF handler. Result of linking DWARF is set of sections
/// containing final debug info. DWARFLinkerBase::link() pass generated
diff --git a/llvm/lib/CodeGen/NonRelocatableStringpool.cpp b/llvm/lib/CodeGen/NonRelocatableStringpool.cpp
index e8391afb8e3f8d..26857c6a40889d 100644
--- a/llvm/lib/CodeGen/NonRelocatableStringpool.cpp
+++ b/llvm/lib/CodeGen/NonRelocatableStringpool.cpp
@@ -12,8 +12,6 @@
namespace llvm {
DwarfStringPoolEntryRef NonRelocatableStringpool::getEntry(StringRef S) {
- if (Translator)
- S = Translator(S);
auto I = Strings.insert({S, DwarfStringPoolEntry()});
auto &Entry = I.first->second;
if (I.second || !Entry.isIndexed()) {
@@ -28,9 +26,6 @@ DwarfStringPoolEntryRef NonRelocatableStringpool::getEntry(StringRef S) {
StringRef NonRelocatableStringpool::internString(StringRef S) {
DwarfStringPoolEntry Entry{nullptr, 0, DwarfStringPoolEntry::NotIndexed};
- if (Translator)
- S = Translator(S);
-
auto InsertResult = Strings.insert({S, Entry});
return InsertResult.first->getKey();
}
diff --git a/llvm/lib/DWARFLinker/Classic/DWARFLinker.cpp b/llvm/lib/DWARFLinker/Classic/DWARFLinker.cpp
index 9b581a6c9ab774..60f664ece7eef9 100644
--- a/llvm/lib/DWARFLinker/Classic/DWARFLinker.cpp
+++ b/llvm/lib/DWARFLinker/Classic/DWARFLinker.cpp
@@ -2701,8 +2701,8 @@ Error DWARFLinker::link() {
// This Dwarf string pool which is used for emission. It must be used
// serially as the order of calling getStringOffset matters for
// reproducibility.
- OffsetsStringPool DebugStrPool(StringsTranslator, true);
- OffsetsStringPool DebugLineStrPool(StringsTranslator, false);
+ OffsetsStringPool DebugStrPool(true);
+ OffsetsStringPool DebugLineStrPool(false);
DebugDieValuePool StringOffsetPool;
// ODR Contexts for the optimize.
diff --git a/llvm/lib/DWARFLinker/Classic/DWARFStreamer.cpp b/llvm/lib/DWARFLinker/Classic/DWARFStreamer.cpp
index 6d522370e440d1..8b31b5ead29ad0 100644
--- a/llvm/lib/DWARFLinker/Classic/DWARFStreamer.cpp
+++ b/llvm/lib/DWARFLinker/Classic/DWARFStreamer.cpp
@@ -32,10 +32,9 @@ using namespace dwarf_linker::classic;
Expected<std::unique_ptr<DwarfStreamer>> DwarfStreamer::createStreamer(
const Triple &TheTriple, DWARFLinkerBase::OutputFileType FileType,
- raw_pwrite_stream &OutFile, DWARFLinkerBase::TranslatorFuncTy Translator,
- DWARFLinkerBase::MessageHandlerTy Warning) {
+ raw_pwrite_stream &OutFile, DWARFLinkerBase::MessageHandlerTy Warning) {
std::unique_ptr<DwarfStreamer> Streamer =
- std::make_unique<DwarfStreamer>(FileType, OutFile, Translator, Warning);
+ std::make_unique<DwarfStreamer>(FileType, OutFile, Warning);
if (Error Err = Streamer->init(TheTriple, "__DWARF"))
return std::move(Err);
@@ -977,11 +976,10 @@ void DwarfStreamer::emitLineTableString(const DWARFDebugLine::Prologue &P,
switch (String.getForm()) {
case dwarf::DW_FORM_string: {
- StringRef TranslatedString =
- (Translator) ? Translator(*StringVal) : *StringVal;
- Asm->OutStreamer->emitBytes(TranslatedString.data());
+ StringRef Str = *StringVal;
+ Asm->OutStreamer->emitBytes(Str.data());
Asm->emitInt8(0);
- LineSectionSize += TranslatedString.size() + 1;
+ LineSectionSize += Str.size() + 1;
} break;
case dwarf::DW_FORM_strp:
case dwarf::DW_FORM_line_strp: {
diff --git a/llvm/lib/DWARFLinker/Parallel/DWARFLinker.cpp b/llvm/lib/DWARFLinker/Parallel/DWARFLinker.cpp
index ad8d28a643174a..31c7e867767a0f 100644
--- a/llvm/lib/DWARFLinker/Parallel/DWARFLinker.cpp
+++ b/llvm/lib/DWARFLinker/Parallel/DWARFLinker.cpp
@@ -15,8 +15,6 @@ using namespace dwarf_linker::parallel;
std::unique_ptr<DWARFLinker>
DWARFLinker::createLinker(MessageHandlerTy ErrorHandler,
- MessageHandlerTy WarningHandler,
- TranslatorFuncTy StringsTranslator) {
- return std::make_unique<DWARFLinkerImpl>(ErrorHandler, WarningHandler,
- StringsTranslator);
+ MessageHandlerTy WarningHandler) {
+ return std::make_unique<DWARFLinkerImpl>(ErrorHandler, WarningHandler);
}
diff --git a/llvm/lib/DWARFLinker/Parallel/DWARFLinkerGlobalData.h b/llvm/lib/DWARFLinker/Parallel/DWARFLinkerGlobalData.h
index 38c261a8106fcd..7ca81eb34f005e 100644
--- a/llvm/lib/DWARFLinker/Parallel/DWARFLinkerGlobalData.h
+++ b/llvm/lib/DWARFLinker/Parallel/DWARFLinkerGlobalData.h
@@ -21,7 +21,6 @@ class DWARFDie;
namespace dwarf_linker {
namespace parallel {
-using TranslatorFuncTy = std::function<StringRef(StringRef)>;
using MessageHandlerTy = std::function<void(
const Twine &Warning, StringRef Context, const DWARFDie *DIE)>;
@@ -95,19 +94,6 @@ class LinkingGlobalData {
/// Returns global string pool.
StringPool &getStringPool() { return Strings; }
- /// Set translation function.
- void setTranslator(TranslatorFuncTy Translator) {
- this->Translator = Translator;
- }
-
- /// Translate specified string.
- StringRef translateString(StringRef String) {
- if (Translator)
- return Translator(String);
-
- return String;
- }
-
/// Returns linking options.
const DWARFLinkerOptions &getOptions() const { return Options; }
@@ -161,7 +147,6 @@ class LinkingGlobalData {
protected:
llvm::parallel::PerThreadBumpPtrAllocator Allocator;
StringPool Strings;
- TranslatorFuncTy Translator;
DWARFLinkerOptions Options;
MessageHandlerTy WarningHandler;
MessageHandlerTy ErrorHandler;
diff --git a/llvm/lib/DWARFLinker/Parallel/DWARFLinkerImpl.cpp b/llvm/lib/DWARFLinker/Parallel/DWARFLinkerImpl.cpp
index 49b08997eb9c1c..e68bf0c227a0a0 100644
--- a/llvm/lib/DWARFLinker/Parallel/DWARFLinkerImpl.cpp
+++ b/llvm/lib/DWARFLinker/Parallel/DWARFLinkerImpl.cpp
@@ -20,11 +20,9 @@ using namespace dwarf_linker;
using namespace dwarf_linker::parallel;
DWARFLinkerImpl::DWARFLinkerImpl(MessageHandlerTy ErrorHandler,
- MessageHandlerTy WarningHandler,
- TranslatorFuncTy StringsTranslator)
+ MessageHandlerTy WarningHandler)
: UniqueUnitID(0), DebugStrStrings(GlobalData),
DebugLineStrStrings(GlobalData), CommonSections(GlobalData) {
- GlobalData.setTranslator(StringsTranslator);
GlobalData.setErrorHandler(ErrorHandler);
GlobalData.setWarningHandler(WarningHandler);
}
diff --git a/llvm/lib/DWARFLinker/Parallel/DWARFLinkerImpl.h b/llvm/lib/DWARFLinker/Parallel/DWARFLinkerImpl.h
index 7c17c5b79c7c18..597bb1b4da59a8 100644
--- a/llvm/lib/DWARFLinker/Parallel/DWARFLinkerImpl.h
+++ b/llvm/lib/DWARFLinker/Parallel/DWARFLinkerImpl.h
@@ -26,8 +26,7 @@ namespace parallel {
class DWARFLinkerImpl : public DWARFLinker {
public:
DWARFLinkerImpl(MessageHandlerTy ErrorHandler,
- MessageHandlerTy WarningHandler,
- TranslatorFuncTy StringsTranslator);
+ MessageHandlerTy WarningHandler);
/// Add object file to be linked. Pre-load compile unit die. Call
/// \p OnCUDieLoaded for each compile unit die. If specified \p File
diff --git a/llvm/lib/DWARFLinker/Parallel/OutputSections.h b/llvm/lib/DWARFLinker/Parallel/OutputSections.h
index a21e4b2b75a503..0e1f2dae54bcc2 100644
--- a/llvm/lib/DWARFLinker/Parallel/OutputSections.h
+++ b/llvm/lib/DWARFLinker/Parallel/OutputSections.h
@@ -253,7 +253,7 @@ struct SectionDescriptor : SectionDescriptorBase {
/// Emit specified inplace string value into the current section contents.
void emitInplaceString(StringRef String) {
- OS << GlobalData.translateString(String);
+ OS << String;
emitIntVal(0, 1);
}
diff --git a/llvm/lib/DWARFLinker/Parallel/StringEntryToDwarfStringPoolEntryMap.h b/llvm/lib/DWARFLinker/Parallel/StringEntryToDwarfStringPoolEntryMap.h
index 858f224777dba7..f67536ef7a1a84 100644
--- a/llvm/lib/DWARFLinker/Parallel/StringEntryToDwarfStringPoolEntryMap.h
+++ b/llvm/lib/DWARFLinker/Parallel/StringEntryToDwarfStringPoolEntryMap.h
@@ -33,7 +33,7 @@ class StringEntryToDwarfStringPoolEntryMap {
DwarfStringPoolEntryWithExtString *DataPtr =
GlobalData.getAllocator()
.Allocate<DwarfStringPoolEntryWithExtString>();
- DataPtr->String = GlobalData.translateString(String->getKey());
+ DataPtr->String = String->getKey();
DataPtr->Index = DwarfStringPoolEntry::NotIndexed;
DataPtr->Offset = 0;
DataPtr->Symbol = nullptr;
diff --git a/llvm/test/tools/dsymutil/ARM/obfuscated.test b/llvm/test/tools/dsymutil/ARM/obfuscated.test
deleted file mode 100644
index 3443b8e634692b..00000000000000
--- a/llvm/test/tools/dsymutil/ARM/obfuscated.test
+++ /dev/null
@@ -1,200 +0,0 @@
-REQUIRES: system-darwin
-
-RUN: dsymutil --symbol-map %p/../Inputs/obfuscated.map %p/../Inputs/obfuscated.arm64 -f -o - \
-RUN: | llvm-dwarfdump -v - \
-RUN: | FileCheck %s
-
-RUN: dsymutil --accelerator=Pub --symbol-map %p/../Inputs/obfuscated.map %p/../Inputs/obfuscated.arm64 -f -o - \
-RUN: | llvm-dwarfdump -v - \
-RUN: | FileCheck --check-prefix=PUB %s
-
-RUN: dsymutil --symbol-map %p/../Inputs/obfuscated.map %p/../Inputs/obfuscated.arm64 -f -o - \
-RUN: | llvm-dwarfdump -v - \
-RUN: | FileCheck --check-prefix=NOHIDDEN %s
-
-RUN: dsymutil --symbol-map %p/../Inputs/obfuscated.2.map %p/../Inputs/obfuscated.2.arm64 -f -o - \
-RUN: | llvm-dwarfdump -v - \
-RUN: | FileCheck --check-prefix=NOHIDDEN %s
-
-// Run with plist and make sure dsymutil finds it.
-RUN: mkdir -p %t.dSYM/Contents/Resources/DWARF/
-RUN: mkdir -p %t.mapdir
-RUN: cp %p/../Inputs/obfuscated.arm64 %t.dSYM/Contents/Resources/DWARF/
-RUN: cp %p/../Inputs/E828A486-8433-3A5E-B6DB-A6294D28133D.plist %t.dSYM/Contents/Resources/
-RUN: cp %p/../Inputs/obfuscated.map %t.mapdir/506AA50A-6B26-3B37-86D2-DC6EBD57B720.bcsymbolmap
-RUN: dsymutil --symbol-map %t.mapdir %t.dSYM 2>&1 | FileCheck --check-prefix=OBFUSCATING %s
-
-// Run without plist and make sure dsymutil doesn't crash.
-RUN: rm %t.dSYM/Contents/Resources/E828A486-8433-3A5E-B6DB-A6294D28133D.plist
-RUN: dsymutil --symbol-map %t.mapdir %t.dSYM 2>&1 | FileCheck --check-prefix=NOTOBFUSCATING %s
-
-// ----------------------------------------
-// Repeat the same steps for --linker parallel.
-RUN: dsymutil --linker parallel --symbol-map %p/../Inputs/obfuscated.map %p/../Inputs/obfuscated.arm64 -f -o - \
-RUN: | llvm-dwarfdump -v - \
-RUN: | FileCheck %s
-
-RUN: dsymutil --linker parallel --accelerator=Pub --symbol-map %p/../Inputs/obfuscated.map %p/../Inputs/obfuscated.arm64 -f -o - \
-RUN: | llvm-dwarfdump -v - \
-RUN: | FileCheck --check-prefix=PUB %s
-
-RUN: dsymutil --linker parallel --symbol-map %p/../Inputs/obfuscated.map %p/../Inputs/obfuscated.arm64 -f -o - \
-RUN: | llvm-dwarfdump -v - \
-RUN: | FileCheck --check-prefix=NOHIDDEN %s
-
-RUN: dsymutil --linker parallel --symbol-map %p/../Inputs/obfuscated.2.map %p/../Inputs/obfuscated.2.arm64 -f -o - \
-RUN: | llvm-dwarfdump -v - \
-RUN: | FileCheck --check-prefix=NOHIDDEN %s
-
-// Run with plist and make sure dsymutil finds it.
-RUN: mkdir -p %t.dSYM/Contents/Resources/DWARF/
-RUN: mkdir -p %t.mapdir
-RUN: cp %p/../Inputs/obfuscated.arm64 %t.dSYM/Contents/Resources/DWARF/
-RUN: cp %p/../Inputs/E828A486-8433-3A5E-B6DB-A6294D28133D.plist %t.dSYM/Contents/Resources/
-RUN: cp %p/../Inputs/obfuscated.map %t.mapdir/506AA50A-6B26-3B37-86D2-DC6EBD57B720.bcsymbolmap
-RUN: dsymutil --linker parallel --symbol-map %t.mapdir %t.dSYM 2>&1 | FileCheck --check-prefix=OBFUSCATING %s
-
-// Run without plist and make sure dsymutil doesn't crash.
-RUN: rm %t.dSYM/Contents/Resources/E828A486-8433-3A5E-B6DB-A6294D28133D.plist
-RUN: dsymutil --linker parallel --symbol-map %t.mapdir %t.dSYM 2>&1 | FileCheck --check-prefix=NOTOBFUSCATING %s
-
-OBFUSCATING-NOT: not unobfuscating
-
-NOTOBFUSCATING: not unobfuscating
-
-NOHIDDEN-NOT: __hidden#
-
-CHECK: .debug_info contents:
-
-CHECK: DW_TAG_compile_unit [1] *
-CHECK: DW_AT_producer [DW_FORM_strp] ( {{.*}} "Apple LLVM version 7.0.0 (clang-700.2.38.2)")
-CHECK: DW_AT_name [DW_FORM_strp] ( {{.*}} "main.c")
-CHECK: DW_AT_comp_dir [DW_FORM_strp] ( {{.*}} "/Users/steven/dev/alpena/tests/src")
-CHECK: DW_TAG_subprogram [2]
-CHECK: DW_AT_name [DW_FORM_strp] ( {{.*}} "main")
-
-CHECK: DW_TAG_compile_unit [1] *
-CHECK: DW_AT_producer [DW_FORM_strp] ( {{.*}} "Apple LLVM version 7.0.0 (clang-700.2.38.2)")
-CHECK: DW_AT_name [DW_FORM_strp] ( {{.*}} "one.c")
-CHECK: DW_AT_comp_dir [DW_FORM_strp] ( {{.*}} "/Users/steven/dev/alpena/tests/src")
-CHECK: DW_TAG_subprogram [2]
-CHECK: DW_AT_name [DW_FORM_strp] ( {{.*}} "one")
-
-CHECK: DW_TAG_compile_unit [1] *
-CHECK: DW_AT_producer [DW_FORM_strp] ( {{.*}} "Apple LLVM version 7.0.0 (clang-700.2.38.2)")
-CHECK: DW_AT_name [DW_FORM_strp] ( {{.*}} "two.c")
-CHECK: DW_AT_comp_dir [DW_FORM_strp] ( {{.*}} "/Users/steven/dev/alpena/tests/src")
-CHECK: DW_TAG_subprogram [2]
-CHECK: DW_AT_name [DW_FORM_strp] ( {{.*}} "two")
-
-CHECK: DW_TAG_compile_unit [1] *
-CHECK: DW_AT_producer [DW_FORM_strp] ( {{.*}} "Apple LLVM version 7.0.0 (clang-700.2.38.2)")
-CHECK: DW_AT_name [DW_FORM_strp] ( {{.*}} "three.c")
-CHECK: DW_AT_comp_dir [DW_FORM_strp] ( {{.*}} "/Users/steven/dev/alpena/tests/src")
-CHECK: DW_TAG_subprogram [2]
-CHECK: DW_AT_name [DW_FORM_strp] ( {{.*}} "three")
-
-CHECK: DW_TAG_compile_unit [1] *
-CHECK: DW_AT_producer [DW_FORM_strp] ( {{.*}} "Apple LLVM version 7.0.0 (clang-700.2.38.2)")
-CHECK: DW_AT_name [DW_FORM_strp] ( {{.*}} "four.c")
-CHECK: DW_AT_stmt_list [DW_FORM_data4] (0x0000011e)
-CHECK: DW_AT_comp_dir [DW_FORM_strp] ( {{.*}} "/Users/steven/dev/alpena/tests/src")
-CHECK: DW_TAG_subprogram [2]
-CHECK: DW_AT_name [DW_FORM_strp] ( {{.*}} "four")
-
-CHECK: DW_TAG_compile_unit [1] *
-CHECK: DW_AT_producer [DW_FORM_strp] ( {{.*}} "Apple LLVM version 7.0.0 (clang-700.2.38.2)")
-CHECK: DW_AT_name [DW_FORM_strp] ( {{.*}} "five.c")
-CHECK: DW_AT_comp_dir [DW_FORM_strp] ( {{.*}} "/Users/steven/dev/alpena/tests/src")
-CHECK: DW_TAG_subprogram [2]
-CHECK: DW_AT_name [DW_FORM_strp] ( {{.*}} "five")
-
-CHECK: DW_TAG_compile_unit [1] *
-CHECK: DW_AT_producer [DW_FORM_strp] ( {{.*}} "Apple LLVM version 7.0.0 (clang-700.2.38.2)")
-CHECK: DW_AT_name [DW_FORM_strp] ( {{.*}} "six.c")
-CHECK: DW_AT_comp_dir [DW_FORM_strp] ( {{.*}} "/Users/steven/dev/alpena/tests/src")
-CHECK: DW_TAG_subprogram [2]
-CHECK: DW_AT_name [DW_FORM_strp] ( {{.*}} "six")
-
-CHECK: .debug_line contents:
-CHECK: file_names[ 1]:
-CHECK: name: "main.c"
-CHECK: dir_index: 0
-CHECK: mod_time: 0x00000000
-CHECK: file_names[ 1]:
-CHECK: name: "one.c"
-CHECK: dir_index: 0
-CHECK: mod_time: 0x00000000
-CHECK: length: 0x00000000
-CHECK: file_names[ 1]:
-CHECK: name: "two.c"
-CHECK: dir_index: 0
-CHECK: mod_time: 0x00000000
-CHECK: length: 0x00000000
-CHECK: file_names[ 1]:
-CHECK: name: "three.c"
-CHECK: dir_index: 0
-CHECK: mod_time: 0x00000000
-CHECK: length: 0x00000000
-CHECK: file_names[ 1]:
-CHECK: name: "four.c"
-CHECK: dir_index: 0
-CHECK: mod_time: 0x00000000
-CHECK: length: 0x00000000
-CHECK: file_names[ 1]:
-CHECK: name: "five.c"
-CHECK: dir_index: 0
-CHECK: mod_time: 0x00000000
-CHECK: length: 0x00000000
-CHECK: file_names[ 1]:
-CHECK: name: "six.c"
-CHECK: dir_index: 0
-CHECK: mod_time: 0x00000000
-CHECK: length: 0x00000000
-
-PUB: .debug_pubnames contents:
-PUB: length = 0x00000017, format = DWARF32, version = 0x0002, unit_offset = 0x00000000, unit_size = 0x00000044
-PUB: 0x0...
[truncated]
``````````
</details>
https://github.com/llvm/llvm-project/pull/85713
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